公开(公告)号：US20250104646A1

公开(公告)日：2025-03-27

申请号：US18558905

申请日：2023-01-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Chengyuan LUO ,  Pan XU ,  Ying HAN ,  Xing ZHANG ,  Donghui ZHAO ,  Guangshuang LV ,  Cheng XU ,  Xing YAO ,  Dandan ZHOU ,  Miao LIU

IPC: G09G3/3266

Abstract: A driving circuit, a driving module, a driving method, a display substrate and a display device are provided. The driving circuit includes a first leakage prevention circuit, an output circuit and a first control node control circuit; the first leakage prevention circuit is configured to control to connect or disconnect the first control node, the first node and the first intermediate node under the control of a first voltage signal provided by the first voltage line according to a potential of the first intermediate node, control to connect or disconnect the first intermediate node and the second voltage line under the control of the potential of the first node, and control to disconnect the first control node and the first node when the first intermediate node and the second voltage line is connected.

公开(公告)号：US20240212622A1

公开(公告)日：2024-06-27

申请号：US17794994

申请日：2021-08-24

Applicant: BOE Technology Group Co., Ltd.

Inventor： Pan XU ,  Hongli WANG ,  Danyang MA ,  Guoying WANG ,  Xing ZHANG ,  Chengyuan LUO ,  Ying HAN

IPC: G09G3/3266

CPC classification number: G09G3/3266

Abstract: A display substrate includes an underlayer substrate and a circuit structure layer. The circuit structure layer is located in a display area of the underlayer substrate. The circuit structure layer includes at least one first circuit area and at least one second circuit area. The first circuit area includes at least one first gate drive circuit; the second circuit area includes at least one second gate drive circuit. The first gate drive circuit is cascaded with the second gate drive circuit. The first gate drive circuit includes a plurality of cascaded first gate drive units, and the second gate drive circuit includes a plurality of cascaded second gate drive units. A plurality of first gate drive units are sequentially arranged in a second direction, and a plurality of second gate drive units are sequentially arranged in the second direction.

公开(公告)号：US20240169928A1

公开(公告)日：2024-05-23

申请号：US18421549

申请日：2024-01-24

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying HAN ,  Xuehuan FENG ,  Yicheng LIN ,  Pan XU ,  Guoying WANG ,  Xing ZHANG ,  Zhan GAO ,  Mingi CHU

IPC: G09G3/3266 ,  G09G3/3275 ,  G11C19/28 ,  H01L27/12 ,  H10K59/121 ,  H10K59/131

CPC classification number: G09G3/3266 ,  G09G3/3275 ,  G11C19/28 ,  H01L27/124 ,  H10K59/1213 ,  H10K59/1216 ,  H10K59/1315 ,  G09G2300/0842 ,  G09G2310/0278 ,  G09G2310/0286 ,  G09G2310/061 ,  G09G2320/0233

Abstract: A display panel includes: a substrate, sub-pixels and a gate drive circuit. The sub-pixel includes a pixel drive circuit. The gate drive circuit includes cascaded shift registers, and a shift register is electrically connected to pixel drive circuits in a row of sub-pixels. The gate drive circuit further includes cascade input signal lines and cascade display reset signal lines. The cascade input signal line is configured to connect a shift signal terminal and an input signal terminal of two different shift register; and the cascade display reset signal line is configured to connect a shift signal terminal and a display reset signal terminal of two different shift register. The display panel has sub-pixel regions for arranging the sub-pixels and first gap regions each located between two adjacent columns of sub-pixel regions; the cascade display reset signal lines and the cascade input signal lines are disposed in different first gap regions.

公开(公告)号：US20240153430A1

公开(公告)日：2024-05-09

申请号：US18547883

申请日：2021-12-30

Applicant: BOE Technology Group Co., Ltd.

Inventor： Mingi CHU ,  Ying HAN ,  Fei YANG ,  Lirong WANG ,  Yi CHEN ,  Yu WANG ,  Jingbo XU ,  Pan LI

IPC: G09G3/20

CPC classification number: G09G3/2074 ,  G09G2300/026 ,  G09G2300/0452 ,  G09G2320/0233 ,  G09G2320/0626 ,  G09G2330/021 ,  G09G2360/16

Abstract: A method for compensating display of a spliced screen, including: obtaining a picture to be displayed; obtaining a theoretical brightness gain of at least one sub-display region in a plurality of sub-display regions; obtaining an actual brightness gain of the central region according to the theoretical brightness gain of at least part of the sub-display regions, and obtaining actual brightness gains of a plurality of first nodes in the non-central region according to the theoretical brightness gain of at least part of the sub-display regions; obtaining an actual brightness gain of at least part of the non-central region by using a bilinear interpolation method according to the actual brightness gains of the plurality of first nodes and an actual brightness gain of at least one second node on the central region; and compensating the picture to be displayed based on an actual brightness gain of the picture to be displayed.

公开(公告)号：US20240114728A1

公开(公告)日：2024-04-04

申请号：US18538138

申请日：2023-12-13

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Guoying WANG ,  Zhen SONG ,  Yicheng LIN ,  Xing ZHANG ,  Pan XU ,  Ling WANG ,  Ying HAN

IPC: H10K59/122 ,  H10K59/121 ,  H10K59/124 ,  H10K71/00

CPC classification number: H10K59/122 ,  H10K59/121 ,  H10K59/124 ,  H10K71/00 ,  H10K59/1201

Abstract: An organic light-emitting diode (OLED) display substrate, a manufacturing method thereof and a display panel are provided. The OLED display substrate has pixel regions and includes a base substrate and a pixel defining layer disposed on the base substrate; in regions of the pixel defining layer corresponding to the pixel regions, accommodation parts penetrating the pixel defining layer are disposed, and the pixel defining layer is further provided with guide parts disposed corresponding to the accommodation parts, the guide parts are located on a periphery of the corresponding accommodation parts and formed by recessed areas which are formed on a side of the pixel defining layer away from the base substrate, the recessed areas do not penetrate the pixel defining layer, and an orthographic projection of the guide part on the base substrate is directly coupled to an orthographic projection of the corresponding accommodation part on the base substrate.

公开(公告)号：US20230343812A1

公开(公告)日：2023-10-26

申请号：US17921077

申请日：2021-05-08

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xing ZHANG ,  Yicheng LIN ,  Pan XU ,  Ying HAN ,  Guoying WANG ,  Zhan GAO

IPC: H01L27/15

CPC classification number: H01L27/156

Abstract: A display substrate and a display apparatus. Each pixel repeat unit (10) includes two pixel regions (P1, P2) arranged in a first direction, and a light transmission region (T) located between the two pixel regions (P1, P2), where each of the pixel regions (P1, P2) is provided with at least three sub-pixels (A, B, C) which are adjacently provided; and the area of the light transmission region (T) is equal to twice the area of a light transmission region (T) corresponding to a single pixel region (P1, P2).

公开(公告)号：US20210343973A1

公开(公告)日：2021-11-04

申请号：US17279771

申请日：2020-06-02

Applicant: BOE Technology Group Co., Ltd.

Inventor： Xing ZHANG ,  Wei QUAN ,  Yicheng LIN ,  Pan XU ,  Ling WANG ,  Guoying WANG ,  Ying HAN ,  Zhan GAO

IPC: H01L51/52 ,  H01L27/32 ,  H01L51/56

Abstract: The present disclosure provides a display substrate, including: a base substrate, which includes a display region and a driving region arranged on at least one side of the display region; a first electrode layer disposed in the display region; a signal output part disposed in the driving region, the first electrode layer is electrically coupled to the signal output part, the first electrode layer comprises a plurality of electrode regions each having a same area; and a plurality of auxiliary electrodes, which are in one-to-one correspondence with the plurality of electrode regions and configured to be coupled in parallel with the first electrode layer, a resistance of each auxiliary electrode is inversely correlated with a minimum distance from the electrode region corresponding to said each auxiliary electrode to the signal output part. The present disclosure further provides a display panel and a manufacturing method thereof and a display device.

公开(公告)号：US20250095547A1

公开(公告)日：2025-03-20

申请号：US18576548

申请日：2022-12-23

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying HAN ,  Pan XU ,  Xing ZHANG ,  Chengyuan LUO ,  Guangshuang LV ,  Donghui ZHAO ,  Cheng XU

IPC: G09G3/32 ,  G09G3/3233

Abstract: Provided are a display substrate and a display device. The display substrate includes a base substrate and a plurality of sub-pixels, the sub-pixel includes a pixel circuit and a light-emitting element, the pixel circuit is configured to drive the light-emitting element, and the light-emitting element includes a first electrode, a second electrode, and a light-emitting functional layer located therebetween; the pixel circuit includes a driving transistor, and the first electrode of the light-emitting element is electrically connected to a first electrode of the driving transistor; the plurality of sub-pixels include a first sub-pixel and a second sub-pixel, the first sub-pixel is adjacent to the second sub-pixel, and an orthographic projection of the first electrode of the light-emitting element of the first sub-pixel on the base substrate does not overlap an orthographic projection of the pixel circuit of the second sub-pixel on the base substrate.

公开(公告)号：US20240428731A1

公开(公告)日：2024-12-26

申请号：US18288451

申请日：2023-01-03

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Ying HAN ,  Pan XU ,  Mingi CHU ,  Donghui ZHAO ,  Xing ZHANG ,  Chengyuan LUO ,  Guangshuang LV ,  Miao LIU ,  Xing YAO

IPC: G09G3/3233 ,  G09G3/3266 ,  G09G3/3291

Abstract: A pixel driving circuit is provided to include: a driving transistor; a data writing circuit configured to write a display data voltage from the data line to a first node in a display driving process, and sequentially write a sensing data voltage and a reset data voltage from the data line to the first node in a threshold voltage sensing process; a threshold compensation circuit configured to write a reference voltage from a reference voltage supply terminal to the first node and write a first compensation voltage to a second node in the display driving process, and write a second compensation voltage to the second node when a voltage at the first node changes from the reference voltage to the display data voltage; a sensing circuit configured to write an initialization voltage from the sensing line to the second node in the threshold voltage sensing process; a light emitting element.

公开(公告)号：US20240242667A1

公开(公告)日：2024-07-18

申请号：US18004345

申请日：2021-12-21

Applicant: BOE TECHNOLOGY GROUP CO., LTD.

Inventor： Mingi CHU ,  Ying HAN ,  Song MENG ,  Fei YANG ,  Lirong WANG ,  Zhiqiang DONG ,  Tianji LI ,  Jingbo XU ,  Pan LI

IPC: G09G3/3225 ,  G09G3/20

CPC classification number: G09G3/3225 ,  G09G3/2074 ,  G09G2320/064 ,  G09G2360/14

Abstract: A display device and a driving method thereof. The display device includes a display substrate and at least one optical sensing unit; the display substrate includes a light-emitting region and a plurality of pixel units located in the light-emitting region; wherein the light-emitting region comprises a single-sided light-emitting region and at least one double-sided light-emitting region, and each of the pixel units in the plurality of pixel units comprises a plurality of sub-pixels; and the at least one optical sensing unit corresponds to the at least one double-sided light-emitting region from a non-display side of the display substrate, and configured to sense light emitted by the sub-pixels during operation in the at least one double-sided light-emitting region, and to provide sensing brightness information of the at least one double-sided light-emitting region to perform brightness compensation on the light-emitting region.